/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.ranger.service;

import org.apache.ranger.common.AppConstants;
import org.apache.ranger.common.SearchCriteria;
import org.apache.ranger.common.view.VTrxLogAttr;
import org.apache.ranger.entity.XXGroup;
import org.apache.ranger.entity.XXGroupUser;
import org.apache.ranger.entity.XXUser;
import org.apache.ranger.view.VXGroupUser;
import org.apache.ranger.view.VXGroupUserList;

import java.util.ArrayList;
import java.util.List;

public abstract class XGroupUserServiceBase<T extends XXGroupUser, V extends VXGroupUser> extends AbstractAuditedResourceService<T, V> {
    public static final String NAME = "XGroupUser";

    public XGroupUserServiceBase() {
        super(AppConstants.CLASS_TYPE_XA_GROUP_USER, AppConstants.CLASS_TYPE_XA_GROUP);

        trxLogAttrs.put("name", new VTrxLogAttr("name", "Group Name"));
    }

    /**
     * @param searchCriteria
     * @return
     */
    public VXGroupUserList searchXGroupUsers(SearchCriteria searchCriteria) {
        VXGroupUserList   returnList     = new VXGroupUserList();
        List<VXGroupUser> xGroupUserList = new ArrayList<>();
        List<T>           resultList     = searchResources(searchCriteria, searchFields, sortFields, returnList);

        // Iterate over the result list and create the return list
        for (T gjXGroupUser : resultList) {
            VXGroupUser vXGroupUser = populateViewBean(gjXGroupUser);

            xGroupUserList.add(vXGroupUser);
        }

        returnList.setVXGroupUsers(xGroupUserList);

        return returnList;
    }

    @Override
    public String getObjectName(V obj) {
        Long   userId = obj != null ? obj.getUserId() : null;
        XXUser user   = userId != null ? daoManager.getXXUser().getById(userId) : null;

        return user != null ? user.getName() : null;
    }

    @Override
    public String getParentObjectName(V obj, V oldObj) {
        Long    groupId = getParentObjectId(obj, oldObj);
        XXGroup group   = groupId != null ? daoManager.getXXGroup().getById(groupId) : null;

        return group != null ? group.getName() : null;
    }

    @Override
    public Long getParentObjectId(V obj, V oldObj) {
        return obj != null ? obj.getParentGroupId() : null;
    }

    @Override
    protected T mapViewToEntityBean(V vObj, T mObj, int operationContext) {
        mObj.setName(vObj.getName());
        mObj.setParentGroupId(vObj.getParentGroupId());
        mObj.setUserId(vObj.getUserId());

        return mObj;
    }

    @Override
    protected V mapEntityToViewBean(V vObj, T mObj) {
        vObj.setName(mObj.getName());
        vObj.setParentGroupId(mObj.getParentGroupId());
        vObj.setUserId(mObj.getUserId());

        return vObj;
    }
}
